Ft. Belvoir ARMS (VA-MD-WV)

Survey type M-Dz (magnetic; digitized from contour maps)
Flown by USGS
Date flown 02/60-05/60
Line spacing 1.61 (km)
Altitude 152.4 (m) above ground
Total distance 14,040 (km)
References
Counties - Anne Arundel - Baltimore - Calvert - Charles - Frederick - Howard - Montgomery - Prince George's - Queen Anne's - Saint Mary's - Talbot - Washington - Baltimore - Arlington - Caroline - Clarke - Culpeper - Essex - Fairfax - Fauquier - Hanover - King and Queen - King George - King William - Loudoun - Northumberland - Orange - Prince William - Rappahannock - Richmond - Spotsylvania - Stafford - Westmoreland - Alexandria - Fairfax - Falls Church - Manassas - Manassas Park - Berkeley - Jefferson
Overlapping surveys

Data: Magnetic, radiometric (M/R-Dz)